Home / 3,278.53-4,916.31-1,198.18

Finding the Fourth Proportional to 3,278.53, 4,916.31 and 1,198.18

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Solution

The fourth proportional to 3,278.53, 4,916.31 and 1,198.18 is: 1,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.53 : 4,916.31 = 1,198.18 : x
  2. Step 2: Convert to fraction form
    3,278.53/4,916.31 = 1,198.18/x
  3. Step 3: Cross multiply
    3,278.53x = 4,916.31 × 1,198.18
  4. Step 4: Simplify right side
    3,278.53x = 5,890,624.32
  5. Step 5: Solve for x
    x = 5,890,624.32/3,278.53
  6. Step 6: Final answer
    x = 1,796.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.